Imported Upstream version 1.4.16+git20130902
This commit is contained in:
parent
e76be63abf
commit
e70fb8c051
517 changed files with 44015 additions and 43295 deletions
|
@ -1,25 +1,78 @@
|
|||
# malloc.m4 serial 9
|
||||
dnl Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
|
||||
# malloc.m4 serial 14
|
||||
dnl Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
|
||||
dnl This file is free software; the Free Software Foundation
|
||||
dnl gives unlimited permission to copy and/or distribute it,
|
||||
dnl with or without modifications, as long as this notice is preserved.
|
||||
|
||||
m4_version_prereq([2.70], [] ,[
|
||||
|
||||
# This is taken from the following Autoconf patch:
|
||||
# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9
|
||||
AC_DEFUN([_AC_FUNC_MALLOC_IF],
|
||||
[
|
||||
AC_REQUIRE([AC_HEADER_STDC])dnl
|
||||
AC_REQUIRE([AC_CANONICAL_HOST])dnl for cross-compiles
|
||||
AC_CHECK_HEADERS([stdlib.h])
|
||||
AC_CACHE_CHECK([for GNU libc compatible malloc],
|
||||
[ac_cv_func_malloc_0_nonnull],
|
||||
[AC_RUN_IFELSE(
|
||||
[AC_LANG_PROGRAM(
|
||||
[[#if defined STDC_HEADERS || defined HAVE_STDLIB_H
|
||||
# include <stdlib.h>
|
||||
#else
|
||||
char *malloc ();
|
||||
#endif
|
||||
]],
|
||||
[[return ! malloc (0);]])
|
||||
],
|
||||
[ac_cv_func_malloc_0_nonnull=yes],
|
||||
[ac_cv_func_malloc_0_nonnull=no],
|
||||
[case "$host_os" in
|
||||
# Guess yes on platforms where we know the result.
|
||||
*-gnu* | freebsd* | netbsd* | openbsd* \
|
||||
| hpux* | solaris* | cygwin* | mingw*)
|
||||
ac_cv_func_malloc_0_nonnull=yes ;;
|
||||
# If we don't know, assume the worst.
|
||||
*) ac_cv_func_malloc_0_nonnull=no ;;
|
||||
esac
|
||||
])
|
||||
])
|
||||
AS_IF([test $ac_cv_func_malloc_0_nonnull = yes], [$1], [$2])
|
||||
])# _AC_FUNC_MALLOC_IF
|
||||
|
||||
])
|
||||
|
||||
# gl_FUNC_MALLOC_GNU
|
||||
# ------------------
|
||||
# Test whether 'malloc (0)' is handled like in GNU libc, and replace malloc if
|
||||
# it is not.
|
||||
AC_DEFUN([gl_FUNC_MALLOC_GNU],
|
||||
[
|
||||
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
|
||||
dnl _AC_FUNC_MALLOC_IF is defined in Autoconf.
|
||||
_AC_FUNC_MALLOC_IF(
|
||||
[AC_DEFINE([HAVE_MALLOC_GNU], [1],
|
||||
[Define to 1 if your system has a GNU libc compatible 'malloc'
|
||||
function, and to 0 otherwise.])],
|
||||
[AC_DEFINE([HAVE_MALLOC_GNU], [0])
|
||||
REPLACE_MALLOC=1
|
||||
])
|
||||
])
|
||||
|
||||
# gl_FUNC_MALLOC_POSIX
|
||||
# --------------------
|
||||
# Test whether 'malloc' is POSIX compliant (sets errno to ENOMEM when it
|
||||
# fails), and replace malloc if it is not.
|
||||
AC_DEFUN([gl_FUNC_MALLOC_POSIX],
|
||||
[
|
||||
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
|
||||
AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
|
||||
if test $gl_cv_func_malloc_posix = yes; then
|
||||
HAVE_MALLOC_POSIX=1
|
||||
AC_DEFINE([HAVE_MALLOC_POSIX], [1],
|
||||
[Define if the 'malloc' function is POSIX compliant.])
|
||||
else
|
||||
AC_LIBOBJ([malloc])
|
||||
HAVE_MALLOC_POSIX=0
|
||||
REPLACE_MALLOC=1
|
||||
fi
|
||||
AC_SUBST([HAVE_MALLOC_POSIX])
|
||||
])
|
||||
|
||||
# Test whether malloc, realloc, calloc are POSIX compliant,
|
||||
|
@ -32,10 +85,14 @@ AC_DEFUN([gl_CHECK_MALLOC_POSIX],
|
|||
dnl It is too dangerous to try to allocate a large amount of memory:
|
||||
dnl some systems go to their knees when you do that. So assume that
|
||||
dnl all Unix implementations of the function are POSIX compliant.
|
||||
AC_TRY_COMPILE([],
|
||||
[#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
|
||||
choke me
|
||||
#endif
|
||||
], [gl_cv_func_malloc_posix=yes], [gl_cv_func_malloc_posix=no])
|
||||
AC_COMPILE_IFELSE(
|
||||
[AC_LANG_PROGRAM(
|
||||
[[]],
|
||||
[[#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
|
||||
choke me
|
||||
#endif
|
||||
]])],
|
||||
[gl_cv_func_malloc_posix=yes],
|
||||
[gl_cv_func_malloc_posix=no])
|
||||
])
|
||||
])
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue